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Issue 12 (5) 2013 pp. 17–29

Dorota Szopińska

The effects of organic acids treatment on germination, vigour and health of zinnia (Zinnia elegans Jacq.) seeds

Abstract: Organic acids are known for their antibacterial and antifungal properties. The purpose of the research was to study the effect of acetic, ascorbic, citric and lactic acid treatments on zinnia seed germination, vigour and infestation with fungi. Two seed samples, cultivars ‘Jowita’ and ‘Scarlet Flame’, varying in fungi occurrence intensity, were treated with organic acids solutions at concentrations of 1.0, 2.5 and 5.0%. Controls were untreated seeds, seeds treated with fungicide Penncozeb 80 WP, and seeds soaked for 30 min in distilled water. Acetic acid in the highest extent limited fungal occurrence on seeds, however negatively affected seed germination and vigour. Ascorbic and citric acids had no effect on the total seed infestation with fungi. Moreover, the acids significantly stimulated growth of Botrytis cinerea on the seeds. Lactic acid decreased the number of seeds infected with fungi, especially with Alternaria zinniae and Fusarium spp., however at the highest concentration negatively affected germination parameters and deteriorated seed vigour.
pub/12_5_17.pdf Full text available in Adobe Acrobat format:
http://www.hortorumcultus.actapol.net/volume12/issue5/12_5_17.pdf
Keywords: acetic acid, ascorbic acid, citric acid, lactic acid, zinnia seeds quality, seedborne fungi

For citation:

MLA Szopińska, Dorota. "The effects of organic acids treatment on germination, vigour and health of zinnia (Zinnia elegans Jacq.) seeds." Acta Sci.Pol. Hortorum Cultus 12.5 (2013): 12.
APA Szopińska, D. (2013). The effects of organic acids treatment on germination, vigour and health of zinnia (Zinnia elegans Jacq.) seeds. Acta Sci.Pol. Hortorum Cultus 12 (5), 12.
ISO 690 SZOPIńSKA, Dorota. The effects of organic acids treatment on germination, vigour and health of zinnia (Zinnia elegans Jacq.) seeds. Acta Sci.Pol. Hortorum Cultus, 2013, 12.5: 12.
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Streszczenie w języku polskim:
http://www.hortorumcultus.actapol.net/tom12/zeszyt5/abstrakt-17.html